379662452138 has 4 divisors (see below), whose sum is σ = 569493678210. Its totient is φ = 189831226068.

The previous prime is 379662452107. The next prime is 379662452149. The reversal of 379662452138 is 831254266973.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 831254266973 = 13 ⋅63942635921.

It can be written as a sum of positive squares in only one way, i.e., 364433164489 + 15229287649 = 603683^2 + 123407^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94915613033 + ... + 94915613036.

Almost surely, 2^379662452138 is an apocalyptic number.

379662452138 is a deficient number, since it is larger than the sum of its proper divisors (189831226072).

379662452138 is a wasteful number, since it uses less digits than its factorization.

379662452138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189831226071.

The product of its digits is 13063680, while the sum is 56.

The spelling of 379662452138 in words is "three hundred seventy-nine billion, six hundred sixty-two million, four hundred fifty-two thousand, one hundred thirty-eight".